On Wed, Jun 13, 2007 at 12:12:23PM -0400, John Stoffel wrote: > >>>>> "Chris" == Chris Mason <chris.mason@xxxxxxxxxx> writes: [ nod ] > Also, I think you're wrong here when you state that making a snapshot > (sub-volume?) RO just requires you to set the quota to 1 block. What > is to stop me from writing 1 block to a random file that already > exists? It's copy on write, so changing one block means allocating a new one and putting the new contents there. The old blocks don't become available for reuse until the transaction commits. -chris - To unsubscribe from this list: send the line "unsubscribe linux-fsdevel" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
